<!DOCTYPE html>
<html>
  <body>
    <form action="/release/add" method="POST">
      <input type="hidden" name="mediums.-1.track.0.name" value="Smoking Gun in Wasco" />
      <input type="hidden" name="mediums.-1.track.0.length" value="320840" />
      <button type="submit">Submit</button>
    </form>
  </body>
</html>
